I may spring you may spring he may spring we may spring you may spring they may spring
V-ing form
I may be springing you may be springing he may be springing we may be springing you may be springing they may be springing
Perfect
I may have sprung you may have sprung he may have sprung we may have sprung you may have sprung they may have sprung
V-ing perfect
I may have been springing you may have been springing he may have been springing we may have been springing you may have been springing they may have been springing
Negation
Simple form
I mayn't spring you mayn't spring he mayn't spring we mayn't spring you mayn't spring they mayn't spring
V-ing form
I mayn't be springing you mayn't be springing he mayn't be springing we mayn't be springing you mayn't be springing they mayn't be springing
Perfect
I mayn't have sprung you mayn't have sprung he mayn't have sprung we mayn't have sprung you mayn't have sprung they mayn't have sprung
V-ing perfect
I mayn't have been springing you mayn't have been springing he mayn't have been springing we mayn't have been springing you mayn't have been springing they mayn't have been springing
Interrogative form
Simple form
may I spring? may you spring? may he spring? may we spring? may you spring? may they spring?
V-ing form
may I be springing? may you be springing? may he be springing? may we be springing? may you be springing? may they be springing?
Perfect
may I have sprung? may you have sprung? may he have sprung? may we have sprung? may you have sprung? may they have sprung?
V-ing perfect
may I have been springing? may you have been springing? may he have been springing? may we have been springing? may you have been springing? may they have been springing?
Interro-negative form
Simple form
mayn't I spring? mayn't you spring? mayn't he spring? mayn't we spring? mayn't you spring? mayn't they spring?
V-ing form
mayn't I be springing? mayn't you be springing? mayn't he be springing? mayn't we be springing? mayn't you be springing? mayn't they be springing?
Perfect
mayn't I have sprung? mayn't you have sprung? mayn't he have sprung? mayn't we have sprung? mayn't you have sprung? mayn't they have sprung?
V-ing perfect
mayn't I have been springing? mayn't you have been springing? mayn't he have been springing? mayn't we have been springing? mayn't you have been springing? mayn't they have been springing?